The oral and pharyngeal phases of swallowing take place very rapidly and last about______________?
Correct answer: D. 1-1.5 seconds
- A. 3.5 seconds
- B. 9.5 seconds
- C. 6.0 seconds
- D. 1-1.5 seconds
Explanation
The oral and pharyngeal phases together propel the bolus rapidly and usually take about 1 to 1.5 seconds. The much longer times are not consistent with the brief swallowing reflex.
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